*{
    box-sizing: border-box;
}
body{
    background-color: pink;
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
}
div{
    position: fixed;
    bottom: 10px;
    width: 160px;
    height: 50px;
    color: white;
    font-size: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
input{
    border: 0;
    outline: 0;
    background-color: rgba(255, 255, 255, 0.5);
    font-size: 18px;
    text-align: center;
    height: 40px;
}